a,
abbr,
address,
article,
aside,
audio,
b,
blockquote,
body,
canvas,
caption,
cite,
code,
dd,
del,
details,
dfn,
div,
dl,
dt,
em,
fieldset,
figcaption,
figure,
footer,
form,
h1,
h2,
h3,
h4,
h5,
h6,
header,
hgroup,
html,
i,
iframe,
img,
ins,
kbd,
label,
legend,
li,
mark,
menu,
nav,
object,
ol,
p,
pre,
q,
samp,
section,
small,
span,
strong,
sub,
summary,
sup,
table,
tbody,
td,
tfoot,
th,
thead,
time,
tr,
ul,
var,
video {
  margin: 0;
  padding: 0;
  color: #333;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  overflow-x: hidden;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-overflow-scrolling: touch;
  font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", Arial, "Microsoft YaHei", "Helvetica Neue", sans-serif;
  font-size: 14px;
  background: #e1e1e1;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

h1 {
  font-size: 18px;
}

h2 {
  font-size: 16px;
}

h3 {
  font-size: 14px;
}

h4,
h5,
h6 {
  font-size: 100%;
}

address,
cite,
dfn,
em,
var {
  font-style: normal;
}

code,
kbd,
pre,
samp,
tt {
  font-family: "Courier New", Courier, monospace;
}

small {
  font-size: 12px;
}

ol,
ul,
li {
  list-style: none;
}

a,
a:link {
  text-decoration: none;
}

abbr[title],
acronym[title] {
  border-bottom: 1px dotted;
  cursor: help;
}

q:after,
q:before {
  content: '';
}

legend {
  color: #000;
}

fieldset,
img,
iframe {
  border: none;
}

img {
  width: 100%;
}

button,
input,
select,
textarea {
  font-size: 100%;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

hr {
  border: none;
  height: 1px;
}

input[type="text"],
input[type="password"],
input[type="submit"],
input[type="reset"],
button {
  -webkit-appearance: none;
  outline: none;
  border: 1px solid #e1e1e1;
}

textarea {
  resize: none;
  outline: none;
  -webkit-appearance: none;
}

button,
input[type="submit"],
input[type="reset"] {
  cursor: pointer;
  outline: none;
}

i,
em {
  font-style: normal;
}

/* 禁止选中文本 */
/* .user-select-none {
    @include user-select-none;
  } */
/* 不换行 */
.white-space-nowrap {
  white-space: nowrap;
}

/* 居中对齐 */
.text-align-center {
  text-align: center;
}

/* 向左对齐 */
.text-align-left {
  text-align: left;
}

/* 向右对齐 */
.text-align-right {
  text-align: right;
}

/* 没有边框 */
.border-none {
  border: none;
}

/* 阻止事件 */
.pointer-events-none {
  pointer-events: none;
}

.overflow-hidden {
  overflow: hidden;
}

.icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

.index-section{
  flex:1 1 auto;  
}
.side-bar{
  width: 290px;
  margin-left:15px;
}